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Finding the Fourth Proportional to 267,947.83, 401,930.25 and 134,755.28

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Solution

The fourth proportional to 267,947.83, 401,930.25 and 134,755.28 is: 202,137.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,947.83 : 401,930.25 = 134,755.28 : x
  2. Step 2: Convert to fraction form
    267,947.83/401,930.25 = 134,755.28/x
  3. Step 3: Cross multiply
    267,947.83x = 401,930.25 × 134,755.28
  4. Step 4: Simplify right side
    267,947.83x = 54,162,223,379.22
  5. Step 5: Solve for x
    x = 54,162,223,379.22/267,947.83
  6. Step 6: Final answer
    x = 202,137.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.